SIO1007 datasheet(79/108 Pages) MICROCHIP

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DS00002020A-page 79

SIO1007

18.4.48

CR31

CR31 can only be accessed in the configuration state and after the CSR has been initialized to 31H. CR31 is GPIO

Direction Register 1 and is used to select the direction of GP10-GP17 pins.

18.4.49

CR32

CR32 can only be accessed in the configuration state and after the CSR has been initialized to 32H. CR32 is GPIO

Polarity Register 1 and is used to select the polarity of GP10-GP17 pins.

TABLE 18-42: CR31

GPIO Direction Register 1

Type: R/W

Default: 0X00 ON VTR POR

BIT NO.

BIT NAME

DESCRIPTION

GP10

The bits in this register are used to select the direction of the GP10-GP17

pins.

0=Input

1=Output

1GP11

2GP12

3GP13

4GP14

5GP15

6GP16

7GP17

TABLE 18-43: CR32

GPIO Polarity Register 1

Type: R/W

Default: 0X00 ON VTR POR

BIT NO.

BIT NAME

DESCRIPTION

GP10

The bits in this register are used to select the polarity of the GP10-GP17

pins.

0=Non-Inverted

1=Inverted

1GP11

2GP12

3GP13

4GP14

5GP15

6GP16

7GP17

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